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SubjectRe: [PATCH v3 1/2] ASoC: codecs: Add support for AK5558 ADC driver
Date
On Lu, 2018-02-12 at 12:02 +0000, Mark Brown wrote:
> On Mon, Feb 05, 2018 at 07:01:54PM +0200, Daniel Baluta wrote:
> >
> > AK5558 is a 32-bit, 768 kHZ sampling, differential input ADC
> > for digital audio systems.
> >
> > --- /dev/null
> > +++ b/sound/soc/codecs/ak5558.c
> > @@ -0,0 +1,618 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +/*
> > + * Audio driver for AK5558 ADC
> Please don't mix C++ and C style comments - just make the entire comment
> C++.
Sure. Will use:
// SPDX-License-Identifier: GPL-2.0

> >
> > +static const char * const tdm_texts[] = {
> > + "Off", "TDM128",  "TDM256", "TDM512",
> > +};
> This looks like it should be a set_tdm_slot() operation, and indeed
> set_tdm_slot() appears to be implemented and duplicate this.
>

Yup, will remove this. At first there was no set_tdm_slot.
> >
> > +static const char * const dsdon_texts[] = {
> > + "PCM", "DSD",
> > +};
> This looks like it's setting the DAI format?

Ditto. Will remove.

>
> >
> > + SND_SOC_DAPM_MUX("AK5558 Ch1 Enable", SND_SOC_NOPM, 0, 0,
> > +  &ak5558_channel1_mux_control),
> On/off controls should be switches not muxes, though if this is just
> selecting which channels are active (rather than a mute) I'd not expect
> it to be a control at all - the board can say if inputs are disabled.

OK, agree that if we want to have a way to select which channels are active
we should use a switch.

Will remove this control for now.

>
> >
> > +static int ak5558_set_mcki(struct snd_soc_codec *codec, int fs, int rclk)
> > +{
> > + u8  mode;
> > +
> > + mode = snd_soc_read(codec, AK5558_02_CONTROL1);
> > + mode &= ~AK5558_CKS;
> > + mode |= AK5558_CKS_AUTO;
> > +
> > + snd_soc_update_bits(codec, AK5558_02_CONTROL1, AK5558_CKS, mode);
> > +
> > + return 0;
> > +}
> This appears to just ignore the parameters?

These are left overs from a v1 cleanup. Will fix.


thanks Mark! Will send v4 asap.

thanks,
Daniel.
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